Top Inventors at Acra-Plant All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Forrest E. Robertson | 9 |
| 2 | Donald E. Williams | 7 |
| 3 | Robert A. Williams | 7 |
| #4 | William A. Bell | 3 |
| #5 | Gary L. Embree | 1 |
| #6 | Patrick G. Lohmeier | 1 |
| #7 | Terry K. Gigot | 1 |
| #8 | C. Dean Gigot | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Forrest E. Robertson | 9 |
| 2 | Donald E. Williams | 7 |
| 3 | Robert A. Williams | 7 |
| #4 | William A. Bell | 3 |
| #5 | Gary L. Embree | 1 |
| #6 | Patrick G. Lohmeier | 1 |
| #7 | Terry K. Gigot | 1 |
| #8 | C. Dean Gigot | 1 |